package com.jingdianjichi.subject.infra.basic.utils;

import com.alibaba.druid.filter.config.ConfigTools;

import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;

public class DruidEncryptUtil{

    //数据库加密util
    private  static  String publicKey;
    private  static  String privateKey;

    static {
        try {
            String[] keyPair= ConfigTools.genKeyPair(512);
            privateKey=keyPair[0];
            System.out.println("privateKey:"+privateKey);
            publicKey=keyPair[1];
            System.out.println("publicKey:"+publicKey);
        } catch (NoSuchAlgorithmException e) {
            throw new RuntimeException(e);
        } catch (NoSuchProviderException e) {
            throw new RuntimeException(e);
        }
    }
//原始密码会使用私钥进行加密，生成密文
    public static  String encrypt(String plainText) throws Exception {
        String encrypt=ConfigTools.encrypt(privateKey,plainText);
        System.out.println("encrypt:"+encrypt);
        return  encrypt;
    }

    //原始密码会使用公钥进行解密，生成明文
    public static  String decrypt(String encryptText) throws Exception {
        String decrypt=ConfigTools.decrypt(publicKey,encryptText);
        System.out.println("decrypt:"+decrypt);
        return decrypt;
    }

    public static void main(String[] args) throws Exception {
        String encrypt=encrypt("123456");
        System.out.println("encrypt:"+encrypt);

    }
}
